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Kalarchik v. State - Enjoins SB 458 on Birth Certificates

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Summary

The Montana Supreme Court upheld a preliminary injunction against SB 458 (2023), which defined sex as binary under state law. The Court determined SB 458 likely violated Plaintiffs' right to equal protection and constituted sex discrimination under Montana's Individual Dignity Clause. The ruling prevents enforcement of the binary sex definition as applied to birth certificates and driver's licenses.

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What changed

The Montana Supreme Court upheld a district court ruling that preliminarily enjoined SB 458, which defines sex as binary under Montana law, and associated state agency policies. The Court found the law likely violates equal protection and constitutes sex discrimination under Montana's Individual Dignity Clause. The ruling prevents enforcement against plaintiffs seeking amended birth certificates and driver's licenses matching their gender identity.

Affected parties include state agencies administering vital records and driver's licenses, which must comply with the injunction while the case proceeds. Plaintiffs and others similarly situated can continue seeking amended identification documents. The preliminary injunction remains in effect pending final resolution, and state agencies cannot enforce the binary sex requirement for document amendments.

What to do next

  1. Monitor for updates on birth certificate policy
  2. Review identification document amendment procedures

Archived snapshot

Apr 14, 2026

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April 14, 2026 Get Citation Alerts Download PDF Add Note

Kalarchik v. State

Montana Supreme Court

Syllabus

Opinion - Synopsis of Opinion

Combined Opinion

04/14/2026

SYNOPSIS OF THE CASE1
Case Number: DA 25-0139

2026 MT 76, DA 25-0139: JESSICA KALARCHIK, an individual, and JANE DOE,
and individual, on behalf of themselves and all others similarly situated, Plaintiffs and
Appellees, v. STATE OF MONTANA; GREGORY GIANFORTE, in his official
capacity as Governor of the state of Montana; MONTANA DEPARTMENT OF
PUBLIC HEALTH AND HUMAN SERVICES; CHARLIE BRERETON, in his
official capacity as Director of the Department of Public Health and Human Services;
MONTANA DEPARTMENT OF JUSTICE; and AUSTIN KNUDSEN, in his official
capacity as Attorney General of the State of Montana, Defendants and Appellants.

The Montana Supreme Court has upheld a district court’s decision that preliminarily
enjoined enforcement of SB 458 (2023), which defines sex as binary, and administrative
rules and policies of the Department of Health and Human Services (DPHHS) and Motor
Vehicle Department (MVD) (collectively, “State Policies”) that would enforce SB 458
relative to the amendment of birth certificates. The Court determined SB 458’s definition
of sex as applied to the amendment of birth certificates and other identification documents
likely violated Plaintiff’s right to equal protection of the law and constituted sex
discrimination, both prohibited by the Individual Dignity Clause contained in Montana’s
Constitution.

SB 458 provides a binary definition of “sex” under Montana law: “the biological and
genetic indication of male or female” without regard to “an individual’s psychological,
behavioral, social, chosen, or subjective experience of gender.” In response to SB 458,
DPHHS announced it would amend birth certificates only if the applicant’s sex was
misidentified through clerical error and that it would not amend birth certificates based on
gender transition, gender identity, or change of gender. Plaintiffs did not seek to have their
original birth certificate record destroyed, only that they be able to obtain an amended birth
certificate and driver’s license matching their gender identity. Additionally, the MVD
adopted a policy that would not allow amendment of the sex designation on a driver’s
license without a court order or a corrected birth certificate.

Kalarchik and “Jane Doe” filed a complaint in district court on behalf of themselves and
others similarly situated seeking declaratory and injunctive relief from the State Policies
because they violate Montana’s Equal Protection Clause and constitute sex discrimination
prohibited by Montana’s Nondiscrimination Clause. Montana’s Equal Protection Clause
provides: “No person shall be denied the equal protection of the laws.” Montana’s
Nondiscrimination Clause provides: “Neither the state nor any person, firm, corporation,
or institution shall discriminate against any person . . . on account of race, color, sex,
culture, social origin or condition, or political or religious ideas.” Both clauses are
contained in the Individual Dignity Clause of Montana’s Declaration of Rights and are
fundamental rights. In support of their complaint, Plaintiffs provided expert testimony that
1
This synopsis has been prepared for the convenience of the reader. It constitutes no part of the
Opinion of the Court and may not be cited as precedent.
medically accepted standards of care for treating people diagnosed with gender dysphoria–
–a serious medical condition where a person’s gender does not align with their sex assigned
at birth––explicitly state that changing the gender marker on identity documents is an
important factor in treatment. The district court reasoned that people who do have gender
identities that align with the sex assigned at their birth are able to obtain amended birth
certificates, while those people whose gender identity does not match the sex assigned at
their birth cannot obtain amended birth certificates and, therefore, accurate identification
documents. The district court also found that it was impossible to discriminate against a
person for being homosexual or transgender without discriminating against that individual
based on sex.

The Montana Supreme Court agreed. After noting that Montana’s Equal Protection Clause
and Nondiscrimination Clause offer more protection than the federal constitution, the Court
concluded that each factor required to issue a preliminary injunction was independently
satisfied. It determined that the district court had not abused its discretion in preliminarily
enjoining enforcement of the State Policies. The Court reasoned that Plaintiffs must
present identification documents that do not reflect their gender identity and, as a result,
must disclose that they are transgender each time an inquiry is made. Government issued
identification documents are necessary to access public life. When they do not accurately
reflect a person’s sexual identity, the transgender Montanan is prevented, based on their
sex, from obtaining the same attributes of public life that other Montanans may obtain.
Hence, the inability of transgender Montanans to receive government-issued identification
documents accurately reflecting their gender identity is fundamentally about the nature of
sex and suspect class discrimination under Montana’s unique Individual Dignity clause––
a clause that enshrines individual dignity, equal protection, and nondiscrimination. The
Court held that “transgender discrimination is, by its very nature, sex discrimination” and
that “discrimination based on sex is expressly prohibited under Montana’s unique
Nondiscrimination Clause.”

The Court held that being transgender is also a suspect class under Montana’s Equal
Protection Clause, which has as its central premise that persons similarly situated with
respect to a governmental purpose of the law must receive like treatment. The Court
determined that a transgender Montanan is similarly situated to other Montanans in their
need to obtain identification documents matching their gender identity and that only
transgender Montanans were prohibited from obtaining necessary identification
documents.

As Plaintiffs demonstrated a likely infringement of both their fundamental right to equal
protection of the law and their fundamental right to be free from discrimination on the basis
of sex, the State was required to show a compelling state interest which was narrowly
tailored by the State Policies. The State made no showing at all in the district court and,
on appeal, maintained that it had a “weighty” interest in ensuring accuracy of vital records,
furthering health and research efforts, facilitating records-matching programs, and

2
protecting women’s rights. However, the Court explained that Plaintiffs were only seeking
an amended birth certificate, not destruction of the original record and the State had
advanced no interest that was compelling and narrowly tailored to warrant infringement of
Plaintiffs’ fundamental rights.

Accordingly, the Court affirmed the district court’s preliminarily enjoining enforcement of
the State Policies, concluding that the district court had not “obviously, evidently, or
unmistakably manifestly abused its discretion,” as would be required to reverse the district
court’s injunction. The case will now proceed to resolution on its merits.

The Special Concurrence agreed that the preliminary injunction should be affirmed but
relied on the first sentence of Article II, section 4, of the Montana Constitution, which
states, “The dignity of the human being is inviolable.” When a person is forced to carry
and display a government identification document that does not match who they look like
or how they present themselves, this dishonors their dignity. The law establishes that the
Plaintiffs have a right of personal autonomy privacy to live as transgender individuals. As
such, like all individuals, they have a protected privacy interest in the private details of
their own bodies. As long as the State’s government-issued documents of identification
allow a designation only for “sex” and not a designation for “gender,” the Plaintiffs lack
an equal ability to obtain identification documents reflecting their identity. The concurring
opinion agreed that the government has a compelling interest in maintaining vital statistics
and in preserving original birth records. But at issue in the Plaintiffs’ challenge is their
need for documents of identification, not the original birth record. Because the State issues
government identification on the basis of the birth record alone, the Plaintiffs are unable to
obtain accurate identification documents. They therefore made a preliminary showing that
the Act is not narrowly tailored to serve the State’s asserted interest without infringing on
the right to individual dignity.

One Dissent maintained that requiring biological accuracy in the sex field of a birth
certificate or other government document does not violate the Constitution, any more
than requiring an accurate birth date would violate the Constitution, and emphasized
that the practical effect of the Court’s decision is to compel the State to issue documents
containing false information. Equal protection principles are not implicated here, first,
because the Court’s definition of “cisgender” erroneously presupposes that every
Montanan has made a conscious gender identity choice, which is not based in fact, and
because gender identity is entirely subjective, making the “cisgender” class invalid for
equal protection purposes. Further, the State’s Policies apply uniformly to every person
without exception, regardless of sex or gender: the sex field on a birth certificate or
government document must reflect biological reality, and amendments are permitted
only to correct entries that do not accurately reflect biological sex. National and state
health statistical reporting systems are premised upon such factual accuracy. The
Dissent noted that many federal circuits and the U.S. Supreme Court have squarely

3
rejected the reasoning used by the Court in this case, and the Court’s departure therefrom
cannot be justified by the provisions of Montana’s Constitution, because equal
protection analysis is not triggered at all—for the reasons stated above, there are simply
no similarly situated classes of Montanans being treated differently. As far as the
Special Concurrence’s individual dignity theory, such a claim was neither raised in this
litigation nor addressed by the District Court, and it is inappropriate for consideration
on appeal.
The final Dissent joined the first Dissent. The final Dissent wrote additionally to note the
Plaintiffs did not have standing to challenge the MVD policy because they failed to
demonstrate MVD had a policy preventing them from obtaining a new driver’s license.
They therefore failed to satisfy the requirements to obtain a preliminary injunction against
enforcement of the unknown MVD policy. Additionally, the Plaintiffs did not challenge
the accuracy of the original birth certificate they were each issued, which accurately
recorded their sex as male at the time of their birth. The Plaintiffs have essentially asked
the courts to re-write the statute to change the Legislatively-drafted definition of “sex” to
include “gender identity.” The Legislature has the constitutional authority and mandate to
write these definitions, and they are subject to rational basis review. The Legislature’s
definition would be upheld according to that standard. If possible, this Court should
attempt to resolve issues without reaching constitutional questions and should construe
laws to comport with the Constitution. Additionally, when a court adjudicates an issue
subject to vigorous public debate, it should exercise prudence and rule as narrowly as
possible to leave room for public discourse. The Supreme Court failed to follow these
prudential policies and overstepped its authority by rewriting the statute based upon
political arguments, not based on a constitutional standard.

4

Named provisions

Individual Dignity Clause Equal Protection

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Last updated

Classification

Agency
MT Courts
Filed
April 14th, 2026
Instrument
Enforcement
Legal weight
Binding
Stage
Final
Change scope
Substantive
Document ID
2026 MT 76, DA 25-0139
Docket
DA 25-0139

Who this affects

Applies to
Government agencies Healthcare providers Legal professionals
Industry sector
9211 Government & Public Administration
Activity scope
Court injunction Vital records administration Government policy enforcement
Geographic scope
US-MT US-MT

Taxonomy

Primary area
Civil Rights
Operational domain
Legal
Topics
Healthcare Public Health

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